Remote Senior Blockchain Engineer (Solidity & dApps)

Placements24; East London; Hybrid; ZAR 2,028,000 - 3,548,000; Full time

Benefits offered by this job

Competitive salary

Health benefits

Performance bonuses

Professional development opportunities

Job summary

Placements24 is seeking a Remote Senior Blockchain Developer to join a global, fully remote team. You will design, develop, and deploy scalable smart contracts (Solidity) and dApps, collaborating closely with product managers and engineers to define technical specs and ensure secure, high-quality solutions.

Ideal candidates have deep EVM knowledge, experience with Hardhat/Truffle/Foundry, and proficiency in ethers.js or web3.js. A Bachelor's degree in CS/Engineering or equivalent is preferred.

Qualifications

• Significant experience as a Blockchain Developer focused on smart contracts.
• Proficient in Solidity and frameworks like Hardhat, Truffle or Foundry.
• Deep understanding of EVM and blockchain concepts.
• Experience deploying dApps and smart contracts on mainnet.
• Knowledge of security best practices and vulnerability mitigation.
• Experience with web3 libraries (ethers.js, web3.js) and APIs.
• Knowledge of JavaScript and/or Python is beneficial.
• Excellent problem-solving, analytical and communication skills.
• Ability to work independently in a remote, asynchronous team.
• Bachelor’s degree in CS/Engineering or equivalent practical experience.

Responsibilities

• Design, develop, and deploy scalable, secure smart contracts using Solidity.
• Build and maintain dApps and related backend services.
• Collaborate with product managers and engineers to define requirements.
• Write clean, tested, maintainable code with code reviews.
• Integrate blockchain solutions with APIs and third-party services.
• Research new blockchain technologies and tools.
• Mentor junior developers and contribute to technical roadmap.

Skills

Smart contract development

Solidity

Web3 libraries

DApps development

Remote collaboration

Problem solving

Communication skills

Bachelor's degree or equivalent

Education

Bachelor's degree in Computer Science/Engineering or related field

Tools

Hardhat

Truffle

Foundry

ethers.js

web3.js

Job description

Placements24 is seeking a Remote Senior Blockchain Developer to join a global, fully remote team. You will design, develop, and deploy scalable smart contracts (Solidity) and dApps, collaborating closely with product managers and engineers to define technical specs and ensure secure, high-quality solutions.

Ideal candidates have deep EVM knowledge, experience with Hardhat/Truffle/Foundry, and proficiency in ethers.js or web3.js. A Bachelor's degree in CS/Engineering or equivalent is preferred.